How far is Happy Valley, OR from Lake Oswego, OR?
The driving distance from Happy Valley, OR to Lake Oswego, OR is about 13.9 miles (22.3 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 7 miles (11.3 km).
- For a round trip, plan for roughly 00h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Oregon, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Happy Valley and Lake Oswego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Happy Valley and Lake Oswego.
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1
Start on Southeast Mount Scott Boulevard
18 m · 9 sec · Southeast Mount Scott Boulevard
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2
Turn sharp left onto Southeast King Road
48 m · 4 sec · Southeast King Road
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3
Enter the roundabout and take exit 2 toward Southeast 129th Avenue
42 m · 3 sec · Southeast 129th Avenue
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4
Exit the roundabout onto Southeast 129th Avenue
1.3 km · 2 min · Southeast 129th Avenue
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5
Continue on Southeast 122nd Avenue
2651 ft · 1 min · Southeast 122nd Avenue
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6
Turn right onto Southeast Sunnyside Road
1.2 km · 2 min · Southeast Sunnyside Road
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7
Turn left onto Southeast Sunnybrook Boulevard
1.3 km · 2 min · Southeast Sunnybrook Boulevard
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8
Turn left onto I 205 South: Oregon City
1385 ft · 36 sec
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9
Merge slight left
5 mi · 7 min
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10
Take the exit slight right toward OR 43: West Linn, Lake Oswego
967 ft · 26 sec
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11
Turn right onto Willamette Drive
3 mi · 7 min · Willamette Drive
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12
Continue on Pacific Highway
1.4 mi · 3 min · Pacific Highway
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13
Continue on South State Street
3097 ft · 2 min · South State Street
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14
Turn left onto A Avenue
2118 ft · 1 min · A Avenue
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15
Turn right
65 m · 16 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Happy Valley and Lake Oswego.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 205 South
Merge slight left
5.05 mi · 00h 07m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Chance Light Rain leaving Happy Valley and Light Rain Likely near Lake Oswego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Happy Valley to Lake Oswego?
The road trip is about 13.9 miles (22.3 km) and usually takes 00h 27m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Gladstone is a useful midpoint, sitting about 7 miles from Happy Valley and 6.9 miles from Lake Oswego.
How much longer is the road route than the straight-line distance?
The direct path is about 7 miles (11.3 km), while the road route adds roughly 6.9 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:36 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.43 one way or $4.85 round trip. Estimated CO2 is about 4.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Happy Valley and Light Rain Likely near Lake Oswego.
Stop Ideas Near Gladstone
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Powell's City of Books
City of Portland: Archives and Records Management
Gresham City Passport Office
Hollybrook Park
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Gladstone.
Oregon City station
Union Station
Portland, OR
Vancouver station
Flight Path Map
This map shows the direct air route between Happy Valley and Lake Oswego. Straight-line distance: 7.03 mi (11.32 km).
#1 Happy Valley
City in Oregon, USA
| Population | 23,781 |
| Coordinates | 45.4467900, -122.5303700 |
| Altitude | 153 |
| Country | United States |
#2 Lake Oswego
A city in Clackamas County, Oregon.
| Population | 39,821 |
| Coordinates | 45.4206700, -122.6706500 |
| Altitude | 55 |
| Country | United States |
End: (-122.670933, 45.420701)
Estimated Travel Time
Distance: 22 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 27m |
| 40 mph (64.37 km/h) | 00h 20m |
| 50 mph (80.47 km/h) | 00h 16m |
| 60 mph (96.56 km/h) | 00h 13m |
| 70 mph (112.65 km/h) | 00h 11m |
| 80 mph (129 km/h) | 00h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $2.43 | $4.85 |
| Mid-grade | $5.34 | $2.62 | $5.23 |
| Premium | $5.57 | $2.73 | $5.45 |
| Diesel | $6.37 | $3.12 | $6.24 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Oregon · Apr 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.